M3O1N1O1N1U1C3L1E1O1S1I1S1
17 points
MONONUCLEOSIS is validvalid
an abnormal increase of mononuclear white blood cells in the blood
an abnormal increase of mononuclear white blood cells in the blood
an abnormal increase of mononuclear white blood cells in the blood
an abnormal increase of mononuclear white blood cells in the blood